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BoschPart #: 18102
Bosch 18102 Oxygen Sensor - Upstream
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$190.80Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Bosch Validated Oxygen Sensor, Upstream
Fitment: Mazda, 3 and 3 Sport
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Oxygen Sensor options
Bosch 18102 Oxygen Sensor - Upstream
| Brand | Bosch |
|---|---|
| Part Number | 18102 |
| Position | Bosch Validated Oxygen Sensor, Upstream |
| Heated | Yes |
| Wiring Harness Length | 14.2 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Standard replacement |
| Connector Shape | Rectangle |
| Connector Gender | Male |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Additional Accessories Included | No |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.403446 lb |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 16.5 in |
| Mounting Type | Threaded |
| Overall Length | 17.7 in |
| Oxygen Sensor Type | Wide band |
| Sensor Type | Wide-band |
| Terminal Quantity | 6 |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Mazda | 3 | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor |
| 2013 | Mazda | 3 Sport | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor |
| 2012 | Mazda | 3 | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor |
| 2012 | Mazda | 3 Sport | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
PE07188G1
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.